CN106549998B - A kind of method and system of OBD data penetration transmission - Google Patents
A kind of method and system of OBD data penetration transmission Download PDFInfo
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- CN106549998B CN106549998B CN201510609167.2A CN201510609167A CN106549998B CN 106549998 B CN106549998 B CN 106549998B CN 201510609167 A CN201510609167 A CN 201510609167A CN 106549998 B CN106549998 B CN 106549998B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000035515 penetration Effects 0.000 title claims abstract description 19
- 238000004378 air conditioning Methods 0.000 claims description 6
- 230000032258 transport Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006854 communication Effects 0.000 abstract description 13
- 238000004891 communication Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000013480 data collection Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Engineering & Computer Science (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of method and system of OBD data penetration transmission, this method comprises: OBD terminal obtains the IP address of service centre, and is connected to service centre by mobile data network；After the starting of vehicle-mounted Android device, OBD terminal is connected to by CAN bus, and service centre is connected to by mobile data network；OBD terminal sends the IP address of service centre to vehicle-mounted Android device；Vehicle-mounted Android device establishes transparent transmission relationship according to IP address and service centre；OBD terminal stops uploading its OBD data to service centre by mobile data network, is connected to service centre by vehicle-mounted Android device.To sum up, the invention has the following beneficial effects: the Signal Transparent Transmission Technologies by Android platform, achieve the purpose that Android and OBD data collection station jointly using mobile communications network module come company of realization network function, while achieving the effect that improve communication efficiency and saving communication flows.
Description
Technical field
The present invention relates to technical field of automotive electronics, in particular to a kind of method and system of OBD data penetration transmission.
Background technique
The current movement skill network such as Android platform and internet communication and mobile terminal development are swift and violent, automotive electronics
It is added to inside the troop of mobile terminal, either OBD (On-Board Diagnostic, onboard diagnostic system) data are adopted
Collection or vehicle entertainment system.Many manufacturers all use Android platform, Android platform pair to vehicle entertainment system at present
The support technology of mobile network is highly developed, and OBD data acquire, and need to upload data by mobile network communication
Onto network cloud central server.But the acquisition of OBD data and vehicle entertainment system adhere to different hardware terminals, existing skill separately
In art, it can not reasonably achieve the effect that improve communication efficiency in conjunction with the advantage of the two and save communication flows.
Summary of the invention
The technical problem to be solved in the present invention is that for can not reasonably combine the acquisition of OBD data and vehicle in the prior art
The problem of carrying the advantage of both entertainment systems.A kind of method and system of OBD data penetration transmission are provided.
The present invention solves a kind of method that the technological means that technical problem uses is to provide OBD data penetration transmission, comprising:
OBD terminal obtains the IP address of service centre, and is connected to the service centre by mobile data network；
After the starting of vehicle-mounted Android device, the OBD terminal is connected to by CAN bus, and pass through mobile data
It is connected to the network to the service centre；
The OBD terminal sends the IP address of the service centre to the vehicle-mounted Android device；
The vehicle-mounted Android device establishes transparent transmission relationship according to the IP address and the service centre；
The OBD terminal stops uploading its OBD data to the service centre, by the vehicle by mobile data network
It carries Android device and is connected to the service centre.
In method of the present invention, further includes:
If the vehicle-mounted Android device is switched to WIFI state, the mobile number of the vehicle-mounted Android device is closed
According to network；
The OBD terminal is connected to the service centre by mobile data network.
In method of the present invention, further includes:
If the vehicle-mounted Android device is switched to when making a phone call state, the OBD, which is kept in, to be passed transports to the service
The data at center；
After making a phone call to the vehicle-mounted Android device, the OBD terminal is filled by the vehicle-mounted Android
It sets and is connected to the service centre, and transmit the data to be passed for transporting to the service centre.
It is described after the starting of vehicle-mounted Android device in method of the present invention, it is connected to by CAN bus
The OBD terminal, and the step of being connected to the service centre by mobile data network includes:
After ignition switch opens ACC grades and/or ON grades, start the vehicle-mounted Android device；
The vehicle-mounted Android device is connected to the OBD terminal by CAN bus；
The vehicle-mounted Android device is connected to the service centre by mobile data network.
In method of the present invention, the vehicle-mounted Android device is connected to the clothes by mobile data network
The step of business center includes:
The vehicle-mounted Android device carries out PPPOE dialing by dial-up program, to establish the channel PPP.
In method of the present invention, the vehicle-mounted Android device is according to the IP address and the service centre
The step of establishing transparent transmission relationship further include:
The vehicle-mounted Android device is established SOCKET with the service centre according to the IP address and is connect；
The OBD terminal data to be passed for transporting to the service centre are written in SOCKET packet, and will be in the service
The data that the heart returns are read out from the SOCKET packet.
On the other hand, a kind of system of OBD data penetration transmission is provided, comprising:
OBD terminal is connected in the service for obtaining the IP address of service centre, and by mobile data network
The heart；It is also used to send the IP address of the service centre to the vehicle-mounted Android device；It is also used to stop to pass through mobile data
Network uploads its OBD data to the service centre, is connected to the service centre by the vehicle-mounted Android device；
The vehicle-mounted Android device, for after actuation, being connected to the OBD terminal by CAN bus, and pass through
Mobile data network is connected to the service centre；It is also used to establish transparent transmission according to the IP address and the service centre and close
System.
In the systems described in the present invention, the vehicle-mounted Android device includes:
Start unit, for the self-starting after ignition switch opens ACC grades and/or ON grades；
CAN connection unit, for being connected to the OBD terminal by CAN bus；
Mobile connection unit, for being connected to the service centre by mobile data network.
In the systems described in the present invention, the mobile connection unit is also used to carry out PPPOE dialing by dial-up program,
To establish the channel PPP.
In the systems described in the present invention, the vehicle-mounted Android device is also used to according to the IP address and the clothes
SOCKET connection is established at business center；
The OBD terminal is also used to the data to be passed for transporting to the service centre be written in SOCKET packet, and will be described
The data that service centre returns are read out from the SOCKET packet.
The method and system for implementing one of present invention OBD data penetration transmission, which have the advantages that, reasonably to be combined
The advantage of the acquisition of OBD data and vehicle entertainment system reaches Android and OBD number by the Signal Transparent Transmission Technology of Android platform
According to acquisition terminal jointly using mobile communications network module come the purpose of the company's of realization network function, while reaching raising communication efficiency
And save the effect of communication flows.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the method for OBD data penetration transmission provided by the invention；
Fig. 2 is a kind of structural schematic diagram of the system of OBD data penetration transmission provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of method and system of OBD data penetration transmission provided by the invention, it is intended that vehicle-mounted Android device 2 into
When row data penetration transmission, communication link is established with service centre 3 in the address service centre 3IP forwarded according to OBD terminal 1
It connects, data is added to the agreement packet header communicated with OBD terminal 1, pass through CAN (controller local area network, Controller Area
Network) bus is sent to OBD terminal 1, and transparent transmission process is completed.After android system shutdown, OBD terminal 1 is notified, receive
Control is returned, data are independently transmitted to service centre 3 from OBD terminal 1.
It is a kind of flow chart of the method for OBD data penetration transmission provided by the invention referring to Fig. 1, Fig. 1, involved in this method
OBD terminal 1 and vehicle-mounted Android device 2 are installed within same vehicle, the method for the OBD data penetration transmission the following steps are included:
S1, OBD terminal 1 obtains address IP (Internet Protocol) of service centre 3, and passes through mobile data network
Network is connected to the service centre 3；For example, using it certainly by OBD terminal 1 before vehicle-mounted Android device 2 is not powered on
The 3G module of body is connected to service centre 3, transmission OBD data to service centre 3.
S2, after vehicle-mounted Android device 2 starting after, the OBD terminal 1 is connected to by CAN bus, and pass through shifting
Data network connection is moved to the service centre 3；Main body program is implanted in vehicle-mounted Android device 2 and mainly for transparent transmission OBD
The service routine CarNetService of data run.Wherein, step S2 includes following sub-step:
After S21, ignition switch open ACC grades and/or ON grades, start the vehicle-mounted Android device 2；Pass through setting
Corresponding program monitors the ignition switch in vehicle, once ignition switch opens ACC grades and/or ON grades, just described in automatic starting
Vehicle-mounted Android device 2.
Wherein, automobile ignition switch includes following gear:
1、LOCK
LOCK locks automobile, and general car key is put into this gear and is equal to lock steering wheel, and steering wheel cannot have
Too big activity.
2、ACC
ACC gives full Che Tong electricity, and radio, car light etc. can be used normally, it is not possible to use air-conditioning.
3、ON
ON is open in addition to starter, remaining infrastructure device, can unlock for steering wheel, air-conditioning can be used,
But air-conditioning is without refrigeration effect, because compressor is inactive at this time, only air blower is operated, and what is produced by boasting is natural wind.Normal row
Key is on state when vehicle, and at this moment all circuits of full vehicle are all in working condition.
4、START
START starts up the car, and starts engine, and oil consumption opens car, and air-conditioning starts to freeze.START grades are that engine opens
Dynamic gear, can restore normal condition i.e. ON grades automatically after starting.
S22, the vehicle-mounted Android device 2 are connected to the OBD terminal 1 by CAN bus；Android system booting
Later, after the booting that CarNetService receives android system is broadcasted, automatic running, according to fixed in advance with OBD terminal 1
The communication protocol of justice carries out protocol communication by CAN bus, reports android system oneself state.
S23, the vehicle-mounted Android device 2 are connected to the service centre 3 by mobile data network.Step S23
Including following sub-step:
S231, the vehicle-mounted Android device 2 carry out PPPOE (Point to Point by dial-up program
Protocol over Ethernet) dialing, to establish the channel PPP (Point to Point Protocol)；Android system
It unites in start process, the 3G module usb terminal for being connected to USB controller can be initialized as virtual serial port equipment by Linux driving
Node, Android dial-up program initializes 3G module using AT instruction, and carries out PPPOE dialing, establishes the channel PPP.
Wherein, AT, that is, Attention, AT instruction are generally used for connection and communication between terminal device and PC application.
S232, the mobile operator are that the vehicle-mounted Android device 2 distributes IP address.Mobile operator is
Android distributes IP address, establishes DNS (Domain Name System, domain name system).
S3, the OBD terminal 1 send the IP address of the service centre 3 to the vehicle-mounted Android device 2；
S4, the vehicle-mounted Android device 2 establish transparent transmission relationship according to the IP address and the service centre 3；With
After OBD terminal 1 communicates successfully, CarNetService issues request data transparent transmission, and OBD terminal 1 receives data penetration transmission and requests it
Afterwards, the IP address of background service center 3 is transmitted to CarNetService, CarNetService connects according to this IP address
The control of pipe data transmission, into transparent transmission state.In addition, the step further comprises the steps of:
S41, the vehicle-mounted Android device 2 are established SOCKET with the service centre 3 according to the IP address and are connect；
Wherein, Socket is also known as " socket ", and application program usually passes through " socket " asks to network sending request or response network
It asks.When CarNetService carries out data penetration transmission, the background service center IP address forwarded according to OBD terminal, with
Background service center establishes SOCKET connection.
S42, the OBD terminal 1 data to be passed for transporting to the service centre 3 are written in SOCKET packet, and will be described
The data that service centre 3 returns are read out from the SOCKET packet.For example, when receiving the number that OBD terminal is uploaded to backstage
According to when, this data is write inside SOCKET, while real-time query SOCKET, issues OBD terminal when background service center has
It when data, can be read out by SOCKET, data are added to the agreement packet header communicated with OBD terminal, are sent by CAN bus
OBD terminal is given, so far, transparent transmission process is completed.
S5, the OBD terminal 1 stop uploading its OBD data by mobile data network to the service centre 3, by
The vehicle-mounted Android device 2 is connected to the service centre 3.OBD is needed the data transmitted by vehicle-mounted Android device 2,
It is sent to this IP destination-address.
In addition, (such as: android system has successfully been switched on, 3G network letter when reporting android system oneself state
How much is number quality, and 3G or WIFI is used), i.e., this method is communicated in vehicle-mounted Android device 2 with service centre 3
Further include the steps that occur after step S5 performed below in the process:
If S61, the vehicle-mounted Android device 2 are switched to WIFI state, the vehicle-mounted Android device 2 is closed
Mobile data network；
S62, the OBD terminal 1 are connected to the service centre 3 by mobile data network.
If S71, the vehicle-mounted Android device 2 are switched to when making a phone call state, the OBD, which is kept in, to be passed transports to institute
State the data of service centre 3；
S72, after being made a phone call to the vehicle-mounted Android device 2, the OBD terminal 1 is by described vehicle-mounted
Android device 2 is connected to the service centre 3, and transmits the data to be passed for transporting to the service centre 3.
Above step S61-S62, S71-S72 can be summarized are as follows: in communication process, if network state changes,
CarNetService is notified at once to OBD terminal 1, if android system, which enters, makes a phone call or uses WIFI state,
The 3G network state of Android platform is in close state at this time.If in state is made a phone call, OBD is by the data of acquisition
It temporarily saves, after end of conversation, OBD data is repaid.If Android is in WIFI networking state, OBD terminal 1
Unrecoverable data is transmitted into control, data are transferred directly to by backstage central server by 3G module by OBD oneself.When by
WIFI state switches back into 3G state, and Android will obtain 3G control again, dials and establishes the channel PPPOE, OBD will be uploaded
Data forwarding enters transparent transmission to CarNetService, by CarNetService.
In addition, notifying OBD terminal after android system shutdown, control is withdrawn, by OBD terminal autonomous transmission number
According to.
Referring to fig. 2, Fig. 2 is a kind of structural schematic diagram of the system 100 of OBD data penetration transmission provided by the invention, the OBD number
System 100 according to transparent transmission includes that 1 locomotive of OBD terminal carries Android device 2.Wherein:
OBD terminal 1 is connected in the service for obtaining the IP address of service centre 3, and by mobile data network
The heart 3；It is also used to send the IP address of the service centre 3 to the vehicle-mounted Android device 2；It is also used to stop to pass through movement
Data network uploads its OBD data to the service centre 3, is connected in the service by the vehicle-mounted Android device 2
The heart 3；It is also used to the data to be passed for transporting to the service centre 3 be written in SOCKET packet, and the service centre 3 is returned
Data are read out from the SOCKET packet.
The vehicle-mounted Android device 2, for after actuation, being connected to the OBD terminal 1 by CAN bus, and lead to
It crosses mobile data network and is connected to the service centre 3；It is also used to establish transparent transmission according to the IP address and the service centre 3
Relationship；It is also used to establish SOCKET with the service centre 3 according to the IP address and connect；.
Wherein, the vehicle-mounted Android device 2 includes:
Start unit, for the self-starting after ignition switch opens ACC grades and/or ON grades；
CAN connection unit, for being connected to the OBD terminal 1 by CAN bus；
Mobile connection unit, for being connected to the service centre 3 by mobile data network；It is also used to through the journey that dials
Sequence carries out PPPOE dialing, to establish the channel PPP；Mobile operator is that the vehicle-mounted Android device 2 distributes IP address.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of method of OBD data penetration transmission characterized by comprising
OBD terminal obtains the IP address of service centre, and is connected to the service centre by mobile data network；
After the starting of vehicle-mounted Android device, the OBD terminal is connected to by CAN bus, and pass through mobile data network
It is connected to the service centre；
The OBD terminal sends the IP address of the service centre to the vehicle-mounted Android device；
The vehicle-mounted Android device establishes transparent transmission relationship according to the IP address and the service centre；
The OBD terminal stops uploading its OBD data to the service centre, by described vehicle-mounted by mobile data network
Android device is connected to the service centre.
2. the method according to claim 1, wherein further include:
If the vehicle-mounted Android device is switched to WIFI state, the mobile data network of the vehicle-mounted Android device is closed
Network；
The OBD terminal is connected to the service centre by mobile data network.
3. the method according to claim 1, wherein further include:
If the vehicle-mounted Android device is switched to when making a phone call state, the OBD, which is kept in, to be passed transports to the service centre
Data；
After making a phone call to the vehicle-mounted Android device, the OBD terminal connects by the vehicle-mounted Android device
It is connected to the service centre, and transmits the data to be passed for transporting to the service centre.
4. the method according to claim 1, wherein it is described after vehicle-mounted Android device starting after, pass through
CAN bus is connected to the OBD terminal, and the step of being connected to the service centre by mobile data network includes:
After ignition switch opens ACC grades and/or ON grades, start the vehicle-mounted Android device；Described ACC grades is to full vehicle
It is powered, radio, car light can be used normally, it is not possible to use air-conditioning；
The vehicle-mounted Android device is connected to the OBD terminal by CAN bus；
The vehicle-mounted Android device is connected to the service centre by mobile data network.
5. according to the method described in claim 4, it is characterized in that, the vehicle-mounted Android device passes through mobile data network
The step of being connected to the service centre include:
The vehicle-mounted Android device carries out PPPOE dialing by dial-up program, to establish the channel PPP.
6. the method according to claim 1, wherein the vehicle-mounted Android device according to the IP address with
The service centre establishes the step of transparent transmission relationship further include:
The vehicle-mounted Android device is established SOCKET with the service centre according to the IP address and is connect；
The OBD terminal data to be passed for transporting to the service centre are written in SOCKET packet, and the service centre is returned
The data returned are read out from the SOCKET packet.
7. a kind of system of OBD data penetration transmission characterized by comprising
OBD terminal is connected to the service centre for obtaining the IP address of service centre, and by mobile data network；Also
For sending the IP address of the service centre to vehicle-mounted Android device；It is also used to stop to upload by mobile data network
Its OBD data is connected to the service centre by the vehicle-mounted Android device to the service centre；
The vehicle-mounted Android device, for after actuation, being connected to the OBD terminal by CAN bus, and pass through movement
Data network connection is to the service centre；It is also used to establish transparent transmission relationship according to the IP address and the service centre.
8. system according to claim 7, which is characterized in that the vehicle-mounted Android device includes:
Start unit, for the self-starting after ignition switch opens ACC grades and/or ON grades；Described ACC grades is logical to full vehicle
Electricity, radio, car light can be used normally, it is not possible to use air-conditioning；
CAN connection unit, for being connected to the OBD terminal by CAN bus；
Mobile connection unit, for being connected to the service centre by mobile data network.
9. system according to claim 8, which is characterized in that the mobile connection unit be also used to by dial-up program into
Row PPPOE dialing, to establish the channel PPP.
10. system according to claim 7, which is characterized in that the vehicle-mounted Android device is also used to according to the IP
Address is established SOCKET with the service centre and is connect；
In the data write-in SOCKET packet that the OBD terminal is also used to transport to the service centre for be passed, and by the service
The data that center returns are read out from the SOCKET packet.
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| CN201510609167.2A CN106549998B (en) | 2015-09-22 | 2015-09-22 | A kind of method and system of OBD data penetration transmission |
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| CN201510609167.2A CN106549998B (en) | 2015-09-22 | 2015-09-22 | A kind of method and system of OBD data penetration transmission |
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| CN116319681B (en) * | 2020-10-20 | 2024-08-09 | 华为技术有限公司 | Inter-device communication method, electronic device, and computer-readable storage medium |
| CN114866484B (en) * | 2022-04-29 | 2024-04-30 | 广州小鹏汽车科技有限公司 | Vehicle, data transparent transmission method thereof and computer readable storage medium |
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| CN102385380A (en) * | 2011-09-23 | 2012-03-21 | 广西三原高新科技有限公司 | Cluster automobile diagnosis information platform |
| CN102594929A (en) * | 2012-04-09 | 2012-07-18 | 天津一汽夏利汽车股份有限公司 | Vehicle-mounted information center control unit |
| CN103336487A (en) * | 2012-12-18 | 2013-10-02 | 沈阳中科正方新能源技术有限公司 | Vehicle-mounted information system based on Beidou communication |
| CN103592933A (en) * | 2013-11-07 | 2014-02-19 | 深圳市元征科技股份有限公司 | Automobile diagnostic system and diagnostic method based on android system |
| CN104796450A (en) * | 2014-01-22 | 2015-07-22 | 江苏吉美思物联网产业股份有限公司 | New energy vehicle networking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110109468A1 (en) * | 2009-11-07 | 2011-05-12 | Hirschfeld Robert A | Safety system and method for partial deactivation of a personal communication device while vehicle is in motion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385380A (en) * | 2011-09-23 | 2012-03-21 | 广西三原高新科技有限公司 | Cluster automobile diagnosis information platform |
| CN102594929A (en) * | 2012-04-09 | 2012-07-18 | 天津一汽夏利汽车股份有限公司 | Vehicle-mounted information center control unit |
| CN103336487A (en) * | 2012-12-18 | 2013-10-02 | 沈阳中科正方新能源技术有限公司 | Vehicle-mounted information system based on Beidou communication |
| CN103592933A (en) * | 2013-11-07 | 2014-02-19 | 深圳市元征科技股份有限公司 | Automobile diagnostic system and diagnostic method based on android system |
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